汇编 解答给定寄存器及存储单元的内容
给定寄存器及存储单元的内容为:(DS)=2000H,(BX)=0100H,(SI)=0002H,(20100)=32H,(20101)=51H,(20102)=26H,(...
给定寄存器及存储单元的内容为:(DS) =2000H,(BX) = 0100H,(SI) = 0002H,(20100) = 32H,(20101) = 51H,(20102) = 26H,(20103) = 83H,(21200) = 1AH,(21201) = B6H,(21202) = D1H,(21203) = 29H。试说明下列各条指令执行完后,AX寄存器中保存的内容是什么。
(1) MOV AX,1200H (2)MOV AX,BX (3)MOV AX,[1200H]
(4) MOV AX,[BX] (5) MOV AX,1100H[BX] (6) MOV AX,[BX][SI] 展开
(1) MOV AX,1200H (2)MOV AX,BX (3)MOV AX,[1200H]
(4) MOV AX,[BX] (5) MOV AX,1100H[BX] (6) MOV AX,[BX][SI] 展开
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(DS) =2000H,(BX) = 0100H,(SI) = 0002H,
(20100) = 32H,
(20101) = 51H,
(20102) = 26H,
(20103) = 83H,
(21200) = 1AH,
(21201) = B6H,
(21202) = D1H,
(21203) = 29H。
试说明下列各条指令执行完后,AX寄存器中保存的内容是什么。
(1) MOV AX,1200H --AX = 1200H
(2) MOV AX,BX ----AX = 0100H
(3) MOV AX,[1200H]--AX = B61AH
(4) MOV AX,[BX]----AX = 5132H
(5) MOV AX,1100H[BX]-AX = B61AH
(6) MOV AX,[BX][SI]---AX = 8326H
(20100) = 32H,
(20101) = 51H,
(20102) = 26H,
(20103) = 83H,
(21200) = 1AH,
(21201) = B6H,
(21202) = D1H,
(21203) = 29H。
试说明下列各条指令执行完后,AX寄存器中保存的内容是什么。
(1) MOV AX,1200H --AX = 1200H
(2) MOV AX,BX ----AX = 0100H
(3) MOV AX,[1200H]--AX = B61AH
(4) MOV AX,[BX]----AX = 5132H
(5) MOV AX,1100H[BX]-AX = B61AH
(6) MOV AX,[BX][SI]---AX = 8326H
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